How to Replace Character at Specific Index in String in R - Step by Step Examples

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How to Replace Character at Specific Index in String in R ?

Answer

To replace a character at a specific index in a string in R, you can use string manipulation functions like substr().

✐ Examples

1 Replace character at specific index in a string

In this example,

We create a string named str.
We use the substr() function to replace the character at index index with the character newChar.
Finally, we print the modified string str.

R Program

str <- "Hello World"
index <- 7
newChar <- "x"
str <- paste0(substr(str, 1, index - 1), newChar, substr(str, index + 1, nchar(str)))
print(str)

Output

[1] "Hello xorld"

Summary

In this tutorial, we learned How to Replace Character at Specific Index in String in R language with well detailed examples.